The Geometer's Sketchpad Version 4 has several new features that were added after the the original printing of the Reference Manual. For details, see Changes Since the Reference Manual Was Printed.
This release of The Geometer's Sketchpad has several corrections and improvements since the original 4.00 Release. For details, see Changes Since Release 4.00.
If you've used Sketchpad Version 3, you may want a quick overview of the many new features of Version 4, as well as notes on important changes in how you use Sketchpad. For details of the changes, see If You've Used Version 3 and have a look at the Sample Documents which illustrate Sketchpad's features.
Subtopics
Changes Since Reference Manual Was Printed
Changes Since Release 4.00
If You've Used Version 3
Sample Documents